Set 2 years after prior film "Bayside Shakedown 3: Set the Guys Loose," a major case occurs that has the potential to take down the entire police organization. For the next 3 days, Shunsaku Aoshima and his colleagues struggle to unravel the case...

A university student attends a Japanese tea ceremony near her house with her cousin. There she has the Japanese tea ceremony in her life and it's there for her during moments when she is sad or happy.

Pursued by loan sharks, Aoyama is rescued by a mysterious man in orange overalls, and spirited away to “The Town,” where other dropouts hide out from debtors, abusive partners or the police. It’s a perpetual holiday resort where every need is catered to but hidden in it is a sinister conspiracy.

When Jun's lover is killed, he decides to kill her murderer. He's then stuck in a time loop and forced to relive the same day over and over, but he continues to kill the same man every day.

A fierce battle unfolds between a vigilante who exacts justice on unjust criminals and the police who pursue him. The story then leads to a shocking conclusion... This story will make you ask yourself, "What is justice?"